Low-basic anion exchangers based on glycidyl methacrylate for selective sorption of endotoxin

Low-basic anion exchangers based on glycidyl methacrylate for selective sorption of endotoxin Radical copolymerization of glycidyl methacrylate with vinylpyrrolidone and glycidyl methacrylate with vinylformamide, followed by modification with glucosamine, was used to synthesize low-basic anion exchangers for extracorporeal removal of endotoxins from blood plasma. The effect of the glucosamine concentration on the basicity of the polymeric sorbents was studied and optimal conditions for modification of network polymers were found. Their physicochemical and sorption properties were examined. It was shown that the main contribution to the change in the free energy of sorption of the endotoxin by the synthesized polymeric sorbents is made by hydrophobic interactions, with the increase in the basicity of the anion exchangers leading to a rise in sorption capacities. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Low-basic anion exchangers based on glycidyl methacrylate for selective sorption of endotoxin

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215020111
Publisher site
See Article on Publisher Site

Abstract

Radical copolymerization of glycidyl methacrylate with vinylpyrrolidone and glycidyl methacrylate with vinylformamide, followed by modification with glucosamine, was used to synthesize low-basic anion exchangers for extracorporeal removal of endotoxins from blood plasma. The effect of the glucosamine concentration on the basicity of the polymeric sorbents was studied and optimal conditions for modification of network polymers were found. Their physicochemical and sorption properties were examined. It was shown that the main contribution to the change in the free energy of sorption of the endotoxin by the synthesized polymeric sorbents is made by hydrophobic interactions, with the increase in the basicity of the anion exchangers leading to a rise in sorption capacities.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: May 26, 2015

References

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